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I'm having an "strange" problem when compiling a document made of different chapters. I use this code in the main file:


Then when compiling an extra page with just an F appears after chapter 3. I thought it was because the chapter ended with a long table but when table is removed the problem also appears. Then I removed chapters 4 and 5, chapter 3 is then just before the appendix, and then the page with just an F disappears.

Any hint will be appreciated.

Image showing extra page with only 'F'


main aux-file:


aux-file of chapter 3

\@writefile{toc}{\contentsline {chapter}{\numberline {3}Climatolog\IeC {\'\i }a de la temperatura superficial del mar}{33}{chapter.3}}
\@writefile{lof}{\addvspace {10\p@ }}
\@writefile{lot}{\addvspace {10\p@ }}
\newlabel{cap3}{{3}{33}{Climatología de la \tsm \relax }{chapter.3}{}}
\newlabel{cap:climatologia}{{3}{33}{Climatología de la \tsm \relax }{chapter.3}{}}
\@writefile{toc}{\contentsline {section}{\numberline {3.1}Datos de temperatura superficial del mar{} y metodolog\IeC {\'\i }a}{35}{section.3.1}}
\newlabel{cap3:sec:datosSST}{{3.1}{35}{Datos de \tsm {} y metodología\relax }{section.3.1}{}}
\@writefile{toc}{\contentsline {section}{\numberline {3.2}An\'alisis de la temperatura superficial del mar}{36}{section.3.2}}
\newlabel{cap3:sec:analisisSST}{{3.2}{36}{Análisis de la \tsm \relax }{section.3.2}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {3.1}{\ignorespaces Media mensual de la temperatura superficial del mar{}}}{37}{figure.caption.8}}
\newlabel{fig:globalSSTmean}{{3.1}{37}{Media mensual de la \tsm {}\relax }{figure.caption.8}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.2.1}Climatolog\IeC {\'\i }a}{38}{subsection.3.2.1}}
\newlabel{cap3:sec:temporalSST}{{3.2.1}{38}{Climatología\relax }{subsection.3.2.1}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {3.2}{\ignorespaces Ciclo anual de la temperatura superficial del mar{}}}{39}{figure.caption.9}}
\newlabel{fig:annualSST}{{3.2}{39}{Ciclo anual de la \tsm {}\relax }{figure.caption.9}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {3.3}{\ignorespaces Temperatura superficial del mar media mensual Agosto 2003}}{39}{figure.caption.10}}
\newlabel{fig:SST200308}{{3.3}{39}{Temperatura superficial del mar media mensual Agosto 2003\relax }{figure.caption.10}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {3.4}{\ignorespaces Anomal\IeC {\'\i }a de temperatura superficial del mar media mensual Agosto 2003}}{40}{figure.caption.11}}
\newlabel{fig:SSTanom200308}{{3.4}{40}{Anomalía de temperatura superficial del mar media mensual Agosto 2003\relax }{figure.caption.11}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.2.2}Distribuci\'on espacial}{40}{subsection.3.2.2}}
\newlabel{cap3:sec:espacialSST}{{3.2.2}{40}{Distribución espacial\relax }{subsection.3.2.2}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {3.5}{\ignorespaces Temperatura superficial del mar media mensual y cl\'ustering verano-invierno}}{41}{figure.caption.12}}
\newlabel{fig:SSTclustering}{{3.5}{41}{Temperatura superficial del mar media mensual y clústering verano-invierno\relax }{figure.caption.12}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.2.3}Conclusi\'on - Resumen}{42}{subsection.3.2.3}}
\@writefile{lot}{\contentsline {table}{\numberline {3.1}{\ignorespaces TSM media}}{44}{table.caption.13}}
\newlabel{cap3:tab:tsmmedia}{{3.1}{44}{TSM media\relax }{table.caption.13}{}}
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closed as too localized by egreg, Joseph Wright Apr 15 '12 at 20:25

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

the question is tagged longtable but doesn't appear to be table related. Where is the F? page head?, page body? Is there anything labelling in alphabetic sequence A b C... F in your document, any other clue you might want to share:-) – David Carlisle Apr 4 '12 at 11:11
Hi and thanks for answering. I tagged as longtable as I thought it might come from the long table at the end of the chapter. You can see a screenshot at dl.dropbox.com/u/244041/Captura.PNG There is not any alphabetic labelling in the document. – pacomet Apr 4 '12 at 11:19
I added your image inline thanks. Really there is not much we can say. You will need to progressively remove bits of your document while keeping the F until the only thing left, then the bit of the document that is left is the cause.... – David Carlisle Apr 4 '12 at 11:52
Another thing: Check the .aux files for anything which could produce an 'F'. These files are read in after the last page have been flushed and can add new material, which then would appear on an extra page. The same is true for \AtEndDocument{..}. – Martin Scharrer Apr 4 '12 at 12:00
Note that the chapter change (in conjunction with a page break) is not caused by the \include command, but by the \chapter inside it. So, if the file Capitulos/04Modelizacion.tex contains anything (say, an F) before the \chapter, this will cause exactly the effect you're seeing. – Stephan Lehmke Apr 14 '12 at 20:44
up vote 0 down vote accepted

As Stephan Lehmke said the problem was not in the chapter where the F appeared but in the following one which had the extra character (F) before the \chapter command.

Thanks again to Stephan and the other users comments.

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